TECHNICAL SUPPORT SPECIALIST
SERDAN · 2023 — Present
Developed automation solutions using Python and SQL for the ingestion, transformation, consolidation, and validation of data from mobile networks 3G, LTE, and NR (5G), supporting RF/RAN optimization processes through business rules, quality controls, and information traceability. Constructed and maintained dashboards, technical reports, and analysis tools to track KPIs/KQIs, focusing on accessibility, retainability, mobility, integrity, coverage, capacity, quality, and user experience. Designed and refined SQL queries to analyze multiple network data sources, facilitating performance assessment, degradation identification, and the preparation of technical deliverables for clients and stakeholders. Automated analyses of TOP N, before/after comparisons, and degradation tracking, helping prioritize actions to address coverage issues, interference, congestion, handover failures, and throughput decline in LTE and NR. Provided support for 4G/5G optimization processes, which included monitoring indicators, validating parameter change impacts, and tracking action plans aimed at improving performance and service stability. Implemented data quality controls and technical traceability, ensuring consistency across sources and minimizing errors in decision-making deliverables.
INGENIERO RF
GRUMO G Y M S.A.S. · 2023 — 2023
Executed network access optimization through KPI/KQI analysis, Drive Test, signaling traces, and counters, identifying root causes related to coverage, interference, capacity, mobility, and service quality. Carried out and monitored RF parameter changes to enhance accessibility, retainability, handover success rate, throughput, and user experience in new and existing sites. Conducted cell and neighborhood parameterization, adjusting power levels, tilt, handovers, reselection, and mobility priorities to stabilize and enhance network performance. Addressed technical complaints and incidents in the assigned area, providing diagnostics, impact validation, and corrective action proposals based on network analysis.
INGENIERO RF
OSC TOP SOLUTIONS GROUP COLOMBIA S.A.S · 2022 — 2023
Focused on optimizing mobile networks 3G/4G through KPI/KQI analysis, network performance evaluations, and field measurements, targeting coverage, capacity, quality, and mobility levels. Validated Drive Test and coverage analysis to detect signal degradations, interference, failed handovers, and optimization opportunities. Conducted parameterization and tuning of networks at both new and existing sites, which involved adjusting neighborhoods, handovers, reselection, power levels, tilt, and mobility parameters. Diagnosed failures through analysis of signaling traces and ensured corrective actions were tracked to resolution. Automated reporting and quality control processes in Excel/Python to support optimization efforts.
INGENIERO RF
APPLUS NORCONTROL · 2017 — 2023
Engaged in RF/RAN optimization of mobile networks 3G/4G through KPI/KQI assessments, TOP N analysis, and network performance evaluations, focusing on accessibility, retainability, mobility, integrity, coverage, and capacity. Analyzed coverage and quality to pinpoint issues caused by interference, failed handovers, congestion, overshooting, and load imbalance. Performed multi-vendor parameterization and tuning for RAN networks, adjusting neighborhoods, handover, reselection, power levels, tilt, and mobility parameters. Prepared and executed scripts for rehoming, swaps, upgrades, and TX changes, with technical impact validation on the network. Planned, executed, and validated Drive Test / Walk Test procedures, using TEMS, QualiPoc, Genex/NQDI, and PHU for the post-process and report generation for optimization.
TECNICO INSTALADOR DE REDES
FUNTICS · 2015 — 2017
Handled installation and maintenance of last-mile connections, including router configurations and network equipment (CPE). Managed installation and commissioning of radio links, along with incident response and service validation.
TECNICO INSTALADOR
MEDIA COMMERCE · 2014 — 2015
Provided installation, support, and preventive/corrective maintenance for wireless nodes.